SSO vs. UDOW

Last updated Jun 14, 2026

SSO (ProShares Ultra S&P500) and UDOW (ProShares UltraPro Dow30) are both Leveraged Equities funds from ProShares - SSO tracks the S&P 500 while UDOW tracks the Dow Jones Industrial Average (300%). Both are passively managed. Over the past 10 years, SSO returned 24.02%/yr vs 23.82%/yr for UDOW. Their correlation of 0.92 suggests significant overlap in exposure. SSO charges 0.87%/yr vs 0.95%/yr for UDOW.

Performance

SSO vs. UDOW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Ultra S&P500 (SSO) and ProShares UltraPro Dow30 (UDOW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SSO having a 15.08% return and UDOW slightly lower at 14.65%. Both investments have delivered pretty close results over the past 10 years, with SSO having a 24.02% annualized return and UDOW not far behind at 23.82%.

SSO

• 1D: 1.03%
• 1M: -2.33%
• YTD: 15.08%
• 6M: 15.47%
• 1Y: 47.12%
• 3Y*: 34.18%
• 5Y*: 18.57%
• 10Y*: 24.02%

UDOW

• 1D: 2.07%
• 1M: 6.19%
• YTD: 14.65%
• 6M: 11.42%
• 1Y: 60.76%
• 3Y*: 32.31%
• 5Y*: 13.79%
• 10Y*: 23.82%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SSO vs. UDOW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSO ProShares Ultra S&P500	15.08%	26.19%	43.48%	46.65%	-38.98%	60.57%	21.54%	63.45%	-14.60%	44.35%
UDOW ProShares UltraPro Dow30	14.65%	24.46%	28.47%	32.72%	-32.39%	65.67%	-17.15%	75.24%	-23.86%	99.07%

Correlation

The correlation between SSO and UDOW is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.88
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Feb 11, 2010	0.92

The correlation between SSO and UDOW has been stable across timeframes, ranging from 0.82 to 0.92 - a consistent structural relationship.

SSO vs. UDOW - Sectors Allocation Comparison

Sectors	SSO	UDOW
Technology	25.7%	19.1%
Financial Services	24.1%	27.3%
Communication Services	7.0%	1.8%
Consumer Cyclical	6.4%	11.0%
Healthcare	5.9%	12.8%
Industrials	5.3%	18.1%
Consumer Defensive	3.2%	4.1%
Energy	2.3%	2.2%
Utilities	1.7%	-
Real Estate	1.3%	-
Basic Materials	1.2%	3.7%

Return for Risk

SSO vs. UDOW — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SSO

SSO Risk / Return Rank: 59
SSO Sharpe Ratio Rank: 62
SSO Sortino Ratio Rank: 55
SSO Omega Ratio Rank: 58
SSO Calmar Ratio Rank: 55
SSO Martin Ratio Rank: 66

UDOW

UDOW Risk / Return Rank: 44
UDOW Sharpe Ratio Rank: 45
UDOW Sortino Ratio Rank: 44
UDOW Omega Ratio Rank: 41
UDOW Calmar Ratio Rank: 42
UDOW Martin Ratio Rank: 45

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SSO vs. UDOW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Ultra S&P500 (SSO) and ProShares UltraPro Dow30 (UDOW). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	SSO	UDOW	Difference
Sharpe ratio: Return per unit of total volatility	1.79	1.40	+0.40
Sortino ratio: Return per unit of downside risk	2.33	1.99	+0.33
Omega ratio: Gain probability vs. loss probability	1.31	1.24	+0.07
Calmar ratio: Return relative to maximum drawdown	2.42	1.86	+0.56
Martin ratio: Return relative to average drawdown	10.37	6.59	+3.77

SSO vs. UDOW - Sharpe Ratio Comparison

The current SSO Sharpe Ratio is 1.79, which is comparable to the UDOW Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of SSO and UDOW, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SSO vs. UDOW - Drawdown Comparison

The maximum SSO drawdown since its inception was -84.67%, which is greater than UDOW's maximum drawdown of -80.29%. Use the drawdown chart below to compare losses from any high point for SSO and UDOW.

Drawdown Indicators

	SSO	UDOW	Difference
Max Drawdown Largest peak-to-trough decline	-84.67%	-80.29%	-4.38%
Max Drawdown (1Y) Largest decline over 1 year	-18.17%	-28.07%	+9.90%
Max Drawdown (3Y) Largest decline over 3 years	-35.21%	-44.83%	+9.62%
Max Drawdown (5Y) Largest decline over 5 years	-46.73%	-55.79%	+9.06%
Max Drawdown (10Y) Largest decline over 10 years	-59.34%	-80.29%	+20.95%
Current Drawdown Current decline from peak	-4.94%	-2.65%	-2.29%
Average Drawdown Average peak-to-trough decline	-19.55%	-14.37%	-5.18%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.24%	7.94%	-3.70%

Volatility

SSO vs. UDOW - Volatility Comparison

The current volatility for ProShares Ultra S&P500 (SSO) is 8.74%, while ProShares UltraPro Dow30 (UDOW) has a volatility of 12.92%. This indicates that SSO experiences smaller price fluctuations and is considered to be less risky than UDOW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSO	UDOW	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.74%	12.92%	-4.18%
Volatility (6M) Calculated over the trailing 6-month period	19.17%	29.12%	-9.95%
Volatility (1Y) Calculated over the trailing 1-year period	24.54%	37.38%	-12.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.78%	44.39%	-10.61%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.95%	51.84%	-15.89%

SSO vs. UDOW - Expense Ratio Comparison

SSO has a 0.87% expense ratio, which is lower than UDOW's 0.95% expense ratio.

Dividends

SSO vs. UDOW - Dividend Comparison

SSO's dividend yield for the trailing twelve months is around 0.64%, less than UDOW's 1.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SSO ProShares Ultra S&P500	0.64%	0.68%	0.85%	0.18%	0.50%	0.18%	0.20%	0.50%	0.75%	0.39%	0.51%	0.63%
UDOW ProShares UltraPro Dow30	1.18%	1.38%	0.95%	0.95%	0.83%	0.26%	0.19%	0.61%	0.73%	0.13%	0.26%	0.21%

Frequently Asked Questions

Can I hold both SSO and UDOW in my portfolio?

SSO and UDOW have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSO or UDOW?

UDOW has higher volatility (12.92%) compared to SSO (8.74%). In terms of maximum drawdown, SSO dropped -84.67% vs UDOW's -80.29%.

Which ETF is better, SSO or UDOW?

On 10-year performance, SSO leads with 24.02% vs 23.82% for UDOW. On fees, SSO is cheaper at 0.87% per year. On volatility, SSO has been the lower-risk option at 8.74%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SSO or UDOW?

Over the 10-year period, SSO has performed better with a 24.02% return vs 23.82%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SSO or UDOW?

SSO is cheaper with a 0.87% expense ratio, compared with 0.95% for UDOW.

Which ETF pays a higher dividend yield, SSO or UDOW?

UDOW has the higher dividend yield at 1.18%, compared with 0.64% for SSO.

What is the main difference between SSO and UDOW?

SSO tracks S&P 500, while UDOW tracks Dow Jones Industrial Average (300%). Their fees differ too: 0.87% for SSO and 0.95% for UDOW.

Which has better risk-adjusted returns?

SSO currently has the higher Sharpe Ratio (1.79 vs 1.40), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.